- Barath Krishnamoorthy, Cognizant

RUM - Future of Monitoring Beginning 2012

Real User Monitoring (RUM) Using Google Analytics Site Speed

Flow Of Content

Real User Monitoring Synthetic Monitoring Google Analytics Google Analytics Site Speed Site Speed Report Explorer Tab Explorer Tab Metrics Details Performance Tab Map Overlay Tab Identifying Overhead and Recommendations

Real User Monitoring

What It is a passive web monitoring technology that gathers statistics

of real user with a website

How Relied on real user traffic No real user traffic, then no statistics

Synthetic Monitoring

What It is an active web monitoring technology that gathers statistics

of simulated user with a website. The simulation can be done by scripted real user browsers

How Relied on simulated web traffic No real user traffic, still statistics available

Google Analytics

Google Analytics is a free service offered by Google that generates detailed statistics about the visitors to a website. This service is free upto 5 million page Views per month unless web site is linked to Adwords Campaign

How to setup Add JavaScript snippet code to your webpage<script type="text/javascript“> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-XXXXX-X']); _gaq.push(['_trackPageview']);

(function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })();</script>

Source: http://support.google.com/googleanalytics/bin/static.py?

hl=en&topic=19783&guide=19779&page=guide.cs

Google Analytics Site Speed

Site Speed is a report metrics available in Google Analytics which provides the statistics about performance of the web site for the sampling of the pageviews

How to setup It is automatically enabled once you setup Google

Analytics

Site Speed Report

It provides the web site load time in three different perspectives

Explorer tab Average load time by dimension

Performance tab Load time break down by speed range

Map Overlay tab Load time break down by geography

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Google Analytics Default View

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Google Analytics Sitespeed

Explorer Tab

Explorer tab lists the page as the primary Dimension

Siteusage Tab It provides the statistics in the context of other analytics

metrics

Technical Tab It provides the statistics by breaking of network and server

time etc

Measurement can be drilldown by secondary dimensions

Content Traffic Sources Visitor Technology

Explorer Tab Metrics Details

Siteusage metrics Average Page Load Time Pageviews Page Load Sample Bounce Rate %Exit

Technical Metrics Average Redirection Time Average Domain Lookup Time Average Server Connection Time Average Server Response Time Average Page Load Time

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Explorer Tab - Siteusage

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Explorer Tab - Technical

Performance tab

Performance tab lists page views by speed range

Useful to analyze that pages are loaded within acceptable speed.

Useful when Outlier screws the Average Page Load Time metrics

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Performance tab – Page Load Time Bucket

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Performance Tab - Server Response Time Bucket

Map Overlay Tab

It provides the load time break down by geographic location.

Metrics can be drilldown by secondary dimension

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Map Overlay Tab - Country/Territory

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Map Overlay Tab – Continent

Identifying Overhead and Recommendations

Metrics Overhead Recommendations

Avg. Redirection Time

Page Components Design

If possible, reduce the redirection depth

Avg. Domain Lookup Time

DNS Server Add more DNS Servers to end users location or Improve caching on DNS Servers

Avg. Server Connection Time

Web Server/End user browser

Add more web servers if web site is tuned very well. If not, tune the web servers to handle more loads.

Avg. Server Response Time

Application Server/Database

Either server side software or Database is taking more time

Avg. Page Download Time

Web Server Web server issue. It requires monitoring on the web server to find out it is because of resource crunch.

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